./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-75.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-75.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0514dc120a2eec8e3826a1c886bd786bb270df55b2866cab07c1f5425958d7d2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:15:17,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:15:17,861 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:15:17,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:15:17,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:15:17,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:15:17,902 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:15:17,903 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:15:17,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:15:17,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:15:17,910 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:15:17,910 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:15:17,911 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:15:17,912 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:15:17,913 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:15:17,913 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:15:17,914 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:15:17,914 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:15:17,915 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:15:17,915 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:15:17,916 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:15:17,916 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:15:17,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:15:17,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:15:17,918 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:15:17,919 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:15:17,919 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:15:17,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:15:17,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:15:17,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:15:17,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:15:17,922 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:15:17,922 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:15:17,923 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:15:17,923 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:15:17,923 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:15:17,923 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:17,924 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:15:17,924 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:15:17,924 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:15:17,925 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:15:17,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:15:17,925 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:15:17,925 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:15:17,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:15:17,926 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0514dc120a2eec8e3826a1c886bd786bb270df55b2866cab07c1f5425958d7d2 [2023-11-19 05:15:18,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:15:18,284 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:15:18,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:15:18,288 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:15:18,289 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:15:18,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-75.i [2023-11-19 05:15:21,522 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:15:21,845 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:15:21,845 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-75.i [2023-11-19 05:15:21,857 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/data/97baebc1c/5ccc60f057f44000b1b0c79651d317b8/FLAG1a93be5f6 [2023-11-19 05:15:21,877 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/data/97baebc1c/5ccc60f057f44000b1b0c79651d317b8 [2023-11-19 05:15:21,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:15:21,886 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:15:21,891 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:21,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:15:21,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:15:21,900 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:21" (1/1) ... [2023-11-19 05:15:21,901 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78528456 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:21, skipping insertion in model container [2023-11-19 05:15:21,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:21" (1/1) ... [2023-11-19 05:15:21,948 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:15:22,087 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-75.i[915,928] [2023-11-19 05:15:22,145 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:22,157 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:15:22,170 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-75.i[915,928] [2023-11-19 05:15:22,203 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:22,221 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:15:22,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:22 WrapperNode [2023-11-19 05:15:22,222 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:22,223 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:22,223 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:15:22,224 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:15:22,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:22" (1/1) ... [2023-11-19 05:15:22,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:22" (1/1) ... [2023-11-19 05:15:22,299 INFO L138 Inliner]: procedures = 26, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 190 [2023-11-19 05:15:22,300 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:22,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:15:22,301 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:15:22,301 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:15:22,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:22" (1/1) ... [2023-11-19 05:15:22,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:22" (1/1) ... [2023-11-19 05:15:22,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:22" (1/1) ... [2023-11-19 05:15:22,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:22" (1/1) ... [2023-11-19 05:15:22,325 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:22" (1/1) ... [2023-11-19 05:15:22,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:22" (1/1) ... [2023-11-19 05:15:22,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:22" (1/1) ... [2023-11-19 05:15:22,333 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:22" (1/1) ... [2023-11-19 05:15:22,337 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:15:22,338 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:15:22,338 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:15:22,338 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:15:22,339 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:22" (1/1) ... [2023-11-19 05:15:22,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:22,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:15:22,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:15:22,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:15:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:15:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:15:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:15:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:15:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:15:22,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:15:22,594 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:15:22,598 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:15:23,099 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:15:23,420 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:15:23,421 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:15:23,427 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:23 BoogieIcfgContainer [2023-11-19 05:15:23,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:15:23,431 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:15:23,431 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:15:23,434 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:15:23,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:15:21" (1/3) ... [2023-11-19 05:15:23,436 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb67e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:23, skipping insertion in model container [2023-11-19 05:15:23,436 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:22" (2/3) ... [2023-11-19 05:15:23,438 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb67e4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:23, skipping insertion in model container [2023-11-19 05:15:23,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:23" (3/3) ... [2023-11-19 05:15:23,440 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-75.i [2023-11-19 05:15:23,460 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:15:23,461 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:15:23,550 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:15:23,559 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4c7c1295, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:15:23,560 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:15:23,565 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 05:15:23,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2023-11-19 05:15:23,579 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:23,580 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:15:23,581 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:15:23,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:23,590 INFO L85 PathProgramCache]: Analyzing trace with hash 206389939, now seen corresponding path program 1 times [2023-11-19 05:15:23,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:15:23,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470847254] [2023-11-19 05:15:23,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:23,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:15:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:15:24,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 05:15:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 05:15:24,621 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-19 05:15:24,625 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 05:15:24,627 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:15:24,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:15:24,639 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-19 05:15:24,647 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:15:24,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:15:24 BoogieIcfgContainer [2023-11-19 05:15:24,774 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:15:24,775 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:15:24,775 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:15:24,776 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:15:24,776 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:23" (3/4) ... [2023-11-19 05:15:24,780 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 05:15:24,783 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:15:24,785 INFO L158 Benchmark]: Toolchain (without parser) took 2898.62ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 118.4MB in the beginning and 89.8MB in the end (delta: 28.6MB). Peak memory consumption was 62.5MB. Max. memory is 16.1GB. [2023-11-19 05:15:24,785 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:15:24,786 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.42ms. Allocated memory is still 151.0MB. Free memory was 118.4MB in the beginning and 105.1MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 05:15:24,787 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.67ms. Allocated memory is still 151.0MB. Free memory was 105.1MB in the beginning and 102.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:15:24,788 INFO L158 Benchmark]: Boogie Preprocessor took 36.53ms. Allocated memory is still 151.0MB. Free memory was 102.3MB in the beginning and 100.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:15:24,788 INFO L158 Benchmark]: RCFGBuilder took 1089.07ms. Allocated memory is still 151.0MB. Free memory was 100.2MB in the beginning and 63.3MB in the end (delta: 37.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 05:15:24,789 INFO L158 Benchmark]: TraceAbstraction took 1343.90ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 62.9MB in the beginning and 89.8MB in the end (delta: -26.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2023-11-19 05:15:24,790 INFO L158 Benchmark]: Witness Printer took 7.97ms. Allocated memory is still 182.5MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:15:24,794 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.42ms. Allocated memory is still 151.0MB. Free memory was 118.4MB in the beginning and 105.1MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.67ms. Allocated memory is still 151.0MB. Free memory was 105.1MB in the beginning and 102.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.53ms. Allocated memory is still 151.0MB. Free memory was 102.3MB in the beginning and 100.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1089.07ms. Allocated memory is still 151.0MB. Free memory was 100.2MB in the beginning and 63.3MB in the end (delta: 37.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1343.90ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 62.9MB in the beginning and 89.8MB in the end (delta: -26.9MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Witness Printer took 7.97ms. Allocated memory is still 182.5MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 46, overapproximation of bitwiseOr at line 50, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 62, overapproximation of someBinaryArithmeticFLOAToperation at line 80. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 63.6; [L23] float var_1_4 = 128.75; [L24] float var_1_5 = 25.125; [L25] float var_1_6 = 1000000.75; [L26] unsigned char var_1_7 = 1; [L27] unsigned char var_1_11 = 0; [L28] unsigned char var_1_12 = 0; [L29] unsigned char var_1_13 = 0; [L30] unsigned char var_1_14 = 0; [L31] float var_1_15 = 25.75; [L32] double var_1_16 = 0.4; [L33] double var_1_17 = 0.0; [L34] double var_1_18 = 0.0; [L35] double var_1_19 = 1000000000000.5; [L36] double var_1_20 = 24.8; [L37] signed char var_1_21 = 1; [L38] double var_1_22 = 200.8; [L39] unsigned short int var_1_23 = 40076; [L40] unsigned short int var_1_24 = 8; [L41] unsigned long int var_1_25 = 2; [L42] double last_1_var_1_22 = 200.8; [L128] isInitial = 1 [L129] FCALL initially() [L130] int k_loop; [L131] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_4=515/4, var_1_5=201/8, var_1_6=4000003/4, var_1_7=1] [L131] COND TRUE k_loop < 1 [L132] CALL updateLastVariables() [L121] last_1_var_1_22 = var_1_22 [L132] RET updateLastVariables() [L133] CALL updateVariables() [L87] var_1_4 = __VERIFIER_nondet_float() [L88] CALL assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=201/8, var_1_6=4000003/4, var_1_7=1] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not((var_1_4 >= -461168.6018427382800e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 4611686.018427382800e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=201/8, var_1_6=4000003/4, var_1_7=1] [L89] var_1_5 = __VERIFIER_nondet_float() [L90] CALL assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=4000003/4, var_1_7=1] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((var_1_5 >= -230584.3009213691390e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 2305843.009213691390e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=4000003/4, var_1_7=1] [L91] var_1_6 = __VERIFIER_nondet_float() [L92] CALL assume_abort_if_not((var_1_6 >= -230584.3009213691390e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 2305843.009213691390e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not((var_1_6 >= -230584.3009213691390e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 2305843.009213691390e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=0, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L93] var_1_11 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_11 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_11 >= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L95] CALL assume_abort_if_not(var_1_11 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(var_1_11 <= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=0, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L96] var_1_12 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L98] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L99] var_1_13 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_13 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_13 >= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L101] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L102] var_1_14 = __VERIFIER_nondet_uchar() [L103] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L104] CALL assume_abort_if_not(var_1_14 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_14 <= 0) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=0, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L105] var_1_17 = __VERIFIER_nondet_double() [L106] CALL assume_abort_if_not((var_1_17 >= 4611686.018427382800e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not((var_1_17 >= 4611686.018427382800e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=0, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L107] var_1_18 = __VERIFIER_nondet_double() [L108] CALL assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not((var_1_18 >= 4611686.018427382800e+12F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=2000000000001/2, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L109] var_1_19 = __VERIFIER_nondet_double() [L110] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=124/5, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L111] var_1_20 = __VERIFIER_nondet_double() [L112] CALL assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not((var_1_20 >= 0.0F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=40076, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L113] var_1_23 = __VERIFIER_nondet_ushort() [L114] CALL assume_abort_if_not(var_1_23 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_23 >= 32767) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L115] CALL assume_abort_if_not(var_1_23 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_23 <= 65535) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=8, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L116] var_1_24 = __VERIFIER_nondet_ushort() [L117] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L118] CALL assume_abort_if_not(var_1_24 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_24 <= 32767) VAL [isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=2/5, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=1, var_1_22=1004/5, var_1_23=32767, var_1_24=0, var_1_25=2, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L133] RET updateVariables() [L134] CALL step() [L46] COND FALSE !(! (var_1_4 < 16.8f)) [L49] var_1_25 = var_1_23 [L50] EXPR 4 | var_1_25 [L50] EXPR (((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)) [L50] EXPR 4 | var_1_25 [L50] EXPR (((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)) [L50] COND TRUE (((((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)))) >= var_1_25 [L51] var_1_7 = ((var_1_11 && var_1_12) && var_1_13) [L59] COND FALSE !(var_1_25 > var_1_25) [L62] COND FALSE !(var_1_18 > (var_1_20 + (var_1_19 * var_1_17))) [L65] var_1_16 = var_1_20 [L68] unsigned long int stepLocal_1 = var_1_25; [L69] COND TRUE var_1_18 < (last_1_var_1_22 * var_1_4) [L70] COND FALSE !((var_1_23 - var_1_24) < stepLocal_1) [L73] var_1_22 = var_1_17 [L78] unsigned char stepLocal_0 = -1 <= var_1_25; [L79] COND TRUE stepLocal_0 || var_1_7 [L80] var_1_1 = (var_1_4 + (var_1_5 + var_1_6)) [L82] COND TRUE (- (var_1_17 + var_1_1)) >= var_1_16 [L83] var_1_21 = ((((-50) < 0 ) ? -(-50) : (-50))) [L134] RET step() [L135] CALL, EXPR property() [L124] EXPR (((-1 <= var_1_25) || var_1_7) ? (var_1_1 == ((float) (var_1_4 + (var_1_5 + var_1_6)))) : 1) && (((((((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)))) >= var_1_25) ? (var_1_7 == ((unsigned char) ((var_1_11 && var_1_12) && var_1_13))) : ((var_1_6 == var_1_15) ? (var_1_7 == ((unsigned char) var_1_14)) : (var_1_7 == ((unsigned char) var_1_13)))) [L124-L125] return ((((((((-1 <= var_1_25) || var_1_7) ? (var_1_1 == ((float) (var_1_4 + (var_1_5 + var_1_6)))) : 1) && (((((((var_1_25 + var_1_25)) < ((4 | var_1_25))) ? ((var_1_25 + var_1_25)) : ((4 | var_1_25)))) >= var_1_25) ? (var_1_7 == ((unsigned char) ((var_1_11 && var_1_12) && var_1_13))) : ((var_1_6 == var_1_15) ? (var_1_7 == ((unsigned char) var_1_14)) : (var_1_7 == ((unsigned char) var_1_13))))) && ((! (var_1_4 < 16.8f)) ? (var_1_15 == ((float) var_1_6)) : 1)) && ((var_1_25 > var_1_25) ? (var_1_16 == ((double) ((((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))) - var_1_19) - var_1_20))) : ((var_1_18 > (var_1_20 + (var_1_19 * var_1_17))) ? (var_1_16 == ((double) var_1_6)) : (var_1_16 == ((double) var_1_20))))) && (((- (var_1_17 + var_1_1)) >= var_1_16) ? (var_1_21 == ((signed char) ((((-50) < 0 ) ? -(-50) : (-50))))) : 1)) && ((var_1_18 < (last_1_var_1_22 * var_1_4)) ? (((var_1_23 - var_1_24) < var_1_25) ? (var_1_22 == ((double) var_1_5)) : (var_1_22 == ((double) var_1_17))) : (var_1_22 == ((double) var_1_20)))) && (var_1_25 == ((unsigned long int) var_1_23)) ; [L135] RET, EXPR property() [L135] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=103/4, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=50, var_1_22=103/4, var_1_23=32767, var_1_24=0, var_1_25=32767, var_1_5=103/4, var_1_6=103/4, var_1_7=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_22=1004/5, var_1_11=1, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=103/4, var_1_16=103/4, var_1_17=103/4, var_1_18=1000000000005, var_1_19=1000000000006, var_1_1=318/5, var_1_20=103/4, var_1_21=50, var_1_22=103/4, var_1_23=32767, var_1_24=0, var_1_25=32767, var_1_5=103/4, var_1_6=103/4, var_1_7=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 05:15:24,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-75.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0514dc120a2eec8e3826a1c886bd786bb270df55b2866cab07c1f5425958d7d2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:15:27,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:15:27,853 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-19 05:15:27,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:15:27,860 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:15:27,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:15:27,895 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:15:27,895 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:15:27,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:15:27,897 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:15:27,897 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:15:27,898 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:15:27,898 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:15:27,899 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:15:27,900 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:15:27,900 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:15:27,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:15:27,902 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:15:27,902 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:15:27,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:15:27,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:15:27,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:15:27,915 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:15:27,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:15:27,916 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 05:15:27,917 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 05:15:27,917 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 05:15:27,918 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:15:27,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:15:27,919 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:15:27,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:15:27,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 05:15:27,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:15:27,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:27,922 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:15:27,923 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:15:27,923 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:15:27,932 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 05:15:27,933 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 05:15:27,934 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:15:27,934 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:15:27,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:15:27,936 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0514dc120a2eec8e3826a1c886bd786bb270df55b2866cab07c1f5425958d7d2 [2023-11-19 05:15:28,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:15:28,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:15:28,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:15:28,373 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:15:28,374 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:15:28,376 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-75.i [2023-11-19 05:15:31,617 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:15:31,951 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:15:31,952 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-75.i [2023-11-19 05:15:31,963 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/data/ec1a4d251/de60767664bf4c70a11ebb213ae38e04/FLAGaf81ddcf3 [2023-11-19 05:15:31,979 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/data/ec1a4d251/de60767664bf4c70a11ebb213ae38e04 [2023-11-19 05:15:31,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:15:31,985 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:15:31,986 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:31,987 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:15:31,993 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:15:31,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:31" (1/1) ... [2023-11-19 05:15:31,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66edf38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:31, skipping insertion in model container [2023-11-19 05:15:31,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:15:31" (1/1) ... [2023-11-19 05:15:32,033 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:15:32,214 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-75.i[915,928] [2023-11-19 05:15:32,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:32,347 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:15:32,370 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-75.i[915,928] [2023-11-19 05:15:32,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:15:32,464 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:15:32,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:32 WrapperNode [2023-11-19 05:15:32,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:15:32,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:32,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:15:32,468 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:15:32,478 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:32" (1/1) ... [2023-11-19 05:15:32,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:32" (1/1) ... [2023-11-19 05:15:32,566 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 143 [2023-11-19 05:15:32,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:15:32,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:15:32,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:15:32,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:15:32,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:32" (1/1) ... [2023-11-19 05:15:32,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:32" (1/1) ... [2023-11-19 05:15:32,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:32" (1/1) ... [2023-11-19 05:15:32,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:32" (1/1) ... [2023-11-19 05:15:32,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:32" (1/1) ... [2023-11-19 05:15:32,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:32" (1/1) ... [2023-11-19 05:15:32,637 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:32" (1/1) ... [2023-11-19 05:15:32,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:32" (1/1) ... [2023-11-19 05:15:32,662 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:15:32,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:15:32,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:15:32,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:15:32,671 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:32" (1/1) ... [2023-11-19 05:15:32,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:15:32,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:15:32,709 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:15:32,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:15:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:15:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 05:15:32,788 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 05:15:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 05:15:32,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:15:32,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:15:32,941 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:15:32,944 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:15:45,336 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:15:45,348 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:15:45,348 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:15:45,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:45 BoogieIcfgContainer [2023-11-19 05:15:45,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:15:45,357 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:15:45,358 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:15:45,362 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:15:45,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:15:31" (1/3) ... [2023-11-19 05:15:45,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d6134d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:45, skipping insertion in model container [2023-11-19 05:15:45,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:15:32" (2/3) ... [2023-11-19 05:15:45,364 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d6134d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:15:45, skipping insertion in model container [2023-11-19 05:15:45,364 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:15:45" (3/3) ... [2023-11-19 05:15:45,366 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-75.i [2023-11-19 05:15:45,389 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:15:45,390 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:15:45,449 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:15:45,458 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@310af867, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:15:45,458 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:15:45,464 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 43 states have internal predecessors, (56), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 05:15:45,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-19 05:15:45,484 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:45,485 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:15:45,486 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:15:45,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:45,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1742260396, now seen corresponding path program 1 times [2023-11-19 05:15:45,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:15:45,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [721099973] [2023-11-19 05:15:45,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:45,512 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:15:45,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:15:45,515 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:15:45,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-19 05:15:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:15:46,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 05:15:46,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:15:46,545 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2023-11-19 05:15:46,546 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:15:46,546 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-19 05:15:46,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [721099973] [2023-11-19 05:15:46,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [721099973] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:15:46,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:15:46,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:15:46,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347163049] [2023-11-19 05:15:46,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:15:46,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:15:46,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-19 05:15:46,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:15:46,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:15:46,598 INFO L87 Difference]: Start difference. First operand has 64 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 43 states have internal predecessors, (56), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 05:15:46,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:15:46,639 INFO L93 Difference]: Finished difference Result 125 states and 204 transitions. [2023-11-19 05:15:46,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:15:46,642 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 126 [2023-11-19 05:15:46,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:15:46,653 INFO L225 Difference]: With dead ends: 125 [2023-11-19 05:15:46,653 INFO L226 Difference]: Without dead ends: 60 [2023-11-19 05:15:46,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:15:46,663 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:15:46,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:15:46,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-19 05:15:46,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-19 05:15:46,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 39 states have internal predecessors, (48), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-19 05:15:46,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 86 transitions. [2023-11-19 05:15:46,725 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 86 transitions. Word has length 126 [2023-11-19 05:15:46,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:15:46,726 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 86 transitions. [2023-11-19 05:15:46,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-19 05:15:46,727 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 86 transitions. [2023-11-19 05:15:46,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-19 05:15:46,734 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:15:46,734 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:15:46,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:15:46,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:15:46,950 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:15:46,951 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:15:46,951 INFO L85 PathProgramCache]: Analyzing trace with hash 967068361, now seen corresponding path program 1 times [2023-11-19 05:15:46,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-19 05:15:46,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [119737029] [2023-11-19 05:15:46,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:15:46,954 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-19 05:15:46,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/mathsat [2023-11-19 05:15:46,957 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-19 05:15:46,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38fdcf2e-6a0e-4bec-a016-53d59b5e7333/bin/utaipan-verify-t7M7D8N6sZ/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-19 05:15:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:15:48,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 05:15:48,270 INFO L285 TraceCheckSpWp]: Computing forward predicates...